2451440001252 has 24 divisors (see below), whose sum is σ = 6240029094432. Its totient is φ = 742860606400.

The previous prime is 2451440001233. The next prime is 2451440001271. The reversal of 2451440001252 is 2521000441542.

It is an interprime number because it is at equal distance from previous prime (2451440001233) and next prime (2451440001271).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9285757449 + ... + 9285757712.

It is an arithmetic number, because the mean of its divisors is an integer number (260001212268).

Almost surely, 2^{2451440001252} is an apocalyptic number.

2451440001252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2451440001252 is an abundant number, since it is smaller than the sum of its proper divisors (3788589093180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2451440001252 is a wasteful number, since it uses less digits than its factorization.

2451440001252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18571515179 (or 18571515177 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 2451440001252 its reverse (2521000441542), we get a palindrome (4972440442794).

The spelling of 2451440001252 in words is "two trillion, four hundred fifty-one billion, four hundred forty million, one thousand, two hundred fifty-two".